Fine hair that appears on the developing fetus during the fifth or sixth month of fetal development.
Soft hair on the body of a fetus or newborn baby.
Soft hair on the body of an adult, except on the palms of the hands, the soles of the feet and the parts where long hair grows.
Downy hair found on newborns, especially those who are premature; it may also be found among some people with anorexia nervosa.
Fine, downy hair covering a fetus; it is normally shed during the ninth month of gestation but may be present on newborns, especially premature newborns.
Fine hair covering the body and limbs of the human fetus. It is most profuse at about the seventh month of gestation and is shed in the ninth month.
Soft fine hair covering the fetus. It disappears by the ninth month of gestation and is therefore only seen on premature babies.
Originally, the soft hair that covers a human fetus between the fifth and ninth months of pregnancy. However, the term is commonly used to describe any fine, fluffy hair.